Ask Different is a question and answer site for power users of Apple hardware and software. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. After I deleted some of the system files, if I quit Notes, Contacts and other apps they freeze. I have also noticed other issues with the Mac. I have restarted, cleaned, repaired permissions, made a new account, etc but no good. I have no problem with the settings being set to default I would like that.
For example, with Windows you can do a reinstall but all the files and apps are kept in a Windows. Don't forget to make a backup before you reinstall in case something goes wrong. When the new owner starts up the Mac, they can use their own information to complete setup.
When you install macOS from Recovery, you get the current version of the most recently installed macOS, with some exceptions:. Apple silicon Turn on your Mac and continue to press and hold the power button until you see the startup options window. Follow these guidelines during installation: If the installer asks to unlock your disk, enter the password you use to log in to your Mac. If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
Allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time. Just wait patiently to let the El Capitan installation process accomplish on your Mac. Click the below troubleshooting guide and follow to resolve the respective issue on your own.
If you didn't create backups before the Mac OS X El Capitan update, and you lost some important Mac files after the update process, your last chance is to turn to reliable Mac data recovery software for help. Download for Mac macOS Step 1. Where was data lost after operating system update? Choose the location and click Scan. Step 2. EaseUS Data Recovery Wizard for Mac will immediately scan your selected disk volume and display the scanning results on the left pane.
Step 3. After the scan, select the target files that were unknowingly lost during or after the update and click Recover button to get them all back. When the new owner starts up the Mac, they can use their own information to complete the setup process. When you install macOS from Recovery, you get the current version of the most recently installed macOS, with some exceptions:.
Apple silicon Turn on your Mac and continue to press and hold the power button until you see the startup options window. Follow these guidelines during installation: If the installer asks to unlock your disk, enter the password you use to log in to your Mac. If the installer can't see your disk or notifies you that it can't install macOS on your computer or volume, you may need to erase your disk first.
Allow installation to complete without putting your Mac to sleep or closing its lid.
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